.
75
70
80
Data insufficient
6000
10000/144
6400
7600
300
312
324
336
65
50
55
40
234.5
232.5
231.5
229.5
8% decrease
10% decrease
8% increase
10% increase
12
13.5
12.5
13
75
50
60
85
120
72
48
24
2*20
1/2 * 20
(1/2)^20
20
1
10
5
100
20%
25%
16.66%
None of the above
4
5
6
7
6 km/hr
5 km/hr
4 km.hr
8 km/hr
10
12
15
18